Snorkel mask



1. Snorkel mask

Figure 1.1 is a front view of a snorkel mask;

Figure 1.2 is a back view thereof;

Figure 1.3 is a right view thereof;

Figure 1.4 is a left view thereof;

Figure 1.5 is a top view thereof;

Figure 1.6 is a bottom view thereof.

The broken lines shown in Figure 1.2 illustrate portions of the snorkel mask that form no part of the claimed design. 

CLAIM The ornamental design for a snorkel mask, as shown and described. 